Question

Of the choices below, which is true for the relationship shown? It is Ka for the acid H3P2O72−. It is Kb for the acid H3P2O72−. It is Ka for the acid H2P2O72−. It is Kb for the acid H2P2O72−.

Answer 1

A. It is Ka for the acid H3P2O72−

Step-by-step explanation:

#platolivesmatter

Answer 2

The expression for the Ka for the given acid is:

Ka = [H2P2O7^2-] [H3O+] /[H3P2O7^2-]

Ka is the acid dissociation constant or the acidity constant. It is a measure of the acid strength when in solution. It is an equilibrium constant for the dissociation of the acid.